Results 1 to 10 of about 1,499 (98)

Total Synthesis of Lyconesidine B, a Lycopodium Alkaloid with an Oxygenated, Amine-Type Fawcettimine Core [PDF]

open access: yes, 2021
This report describes the total synthesis of the complex, oxygenated tetracyclic alkaloid, lyconesidine B. The key synthetic challenge involves diastereoselective generation of a decahydroquinoline ring with a quaternary carbon at the angular position ...
Kurose, Tomohiro   +3 more
core   +1 more source

Differentiation Effect of Two Alkaloid Fractions from Vietnamese Lycopodiaceae on Mouse Neural Stem Cells [PDF]

open access: yes, 2022
Various Lycopodium alkaloids have been studied for their various biological activities including anti-inflammatory, antioxidant, immunomodulatory, and neuroprotective activities.
Hoang, My Hanh Thi   +8 more
core   +2 more sources

Photochemical Approaches to Complex Chemotypes: Applications in Natural Product Synthesis. [PDF]

open access: yes, 2016
The use of photochemical transformations is a powerful strategy that allows for the formation of a high degree of molecular complexity from relatively simple building blocks in a single step. A central feature of all light-promoted transformations is the
Kärkäs, Markus D.   +2 more
core   +2 more sources

Methods of isolation and bioactivity of alkaloids obtained from selected species belonging to the Amaryllidaceae and Lycopodiaceae families [PDF]

open access: yes, 2021
Alkaloids obtained from plants belonging to the Amaryllidaceae and Lycopodiaceae families are of great interest due to their numerous properties. They play a very important role mainly due to their strong antioxidant, anxiolytic and anticholinesterase ...
Dymek, Aleksandra   +3 more
core   +2 more sources

N-demethyl-sauroxine, a novel Lycodine Group alkaloid from Huperzia saururus [PDF]

open access: yes, 2013
The present study describes the isolation and identification of N-demethyl-sauroxine, a novel Lycopodium alkaloid obtained from Huperzia saururus (Lam.) Trevis. (Lycopodiaceae).
Agnese, Mariel   +3 more
core   +2 more sources

Antiprotozoal activity and cytotoxicity of Lycopodium clavatum and Lycopodium complanatum subsp. chamaecyparissus extracts [PDF]

open access: yes, 2013
Objective: the aim of this study is to investigate the in vitro antioxidant activity, the total phenol and flavonoid content and the possible protective effects of commercial propolis on gentamicin-induced nephrotoxicity in rabbits.
Brun, Reto   +5 more
core   +1 more source

Study of the interaction of Huperzia saururus Lycopodium alkaloids with the Acetylcholinesterase enzyme [PDF]

open access: yes, 2013
In the present study, we describe and compare the binding modes of three Lycopodium alkaloids (sauroine, 6-hydroxylycopodine and sauroxine; isolated from Huperzia saururus) and huperzine A with the enzyme acetylcholinesterase. Refinement and rescoring of
Agnese, Mariel   +6 more
core   +1 more source

One-step synthesis of Lycopodium alkaloid (-)-huperzine W via Suzuki-Miyaura coupling [PDF]

open access: yes, 2012
The first total synthesis of (−)-huperzine W (1) has been achieved. Key element of the synthesis is a highly convergent assemblage for the two rings system of target molecule utilizing an efficient Suzuki-Miyaura coupling reaction between chiral iodide 2
Huai-Rong Luo   +3 more
core   +1 more source

Natural AChE inhibitors from plants and their contribution to Alzheimer´s disease therapy [PDF]

open access: yes, 2013
As acetylcholinesterase (AChE) inhibitors are an important therapeutic strategy in Alzheimer's disease, efforts are being made in search of new molecules with anti-AChE activity.
Alza, Natalia Paola   +4 more
core   +2 more sources

Effects of the Hydroethanolic Extract of Lycopodium selago L. on Scopolamine-Induced Memory Deficits in Zebrafish [PDF]

open access: yes, 2021
This scientific research focused on the production of hydroethanolic extract of the plant species Lycopodium selago L. (L. selago) by the ultrasound-assisted extraction (USAE) and the identification of biocompounds with high antioxidant activity is of ...
Balseanu T. -A.   +9 more
core   +1 more source

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